Millington, Tennessee · field elev 322 ft
Density Altitude at Millington/Memphis (KNQA)
Millington/Memphis sits at 322 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,459 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 39.6 | −889 ft | 49.4 | −222 ft |
| February | 43.4 | −628 ft | 54.1 | 92 ft |
| March | 51.6 | −75 ft | 63.1 | 684 ft |
| April | 60.8 | 534 ft | 72.7 | 1,301 ft |
| May | 70.1 | 1,135 ft | 81.1 | 1,830 ft |
| June | 78.0 | 1,636 ft | 88.4 | 2,282 ft |
| July | 81.1 | 1,830 ft | 91.3 | 2,459 ft |
| August | 79.9 | 1,755 ft | 90.7 | 2,422 ft |
| September | 73.6 | 1,358 ft | 85.3 | 2,091 ft |
| October | 62.2 | 625 ft | 74.6 | 1,422 ft |
| November | 50.6 | −141 ft | 62.1 | 619 ft |
| December | 42.6 | −683 ft | 52.4 | −21 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for KNQA
DENSITY ALTITUDE
Field elevation 322 ft — the air behaves like 2,441 ft.
- PRESSURE ALT
- 323 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Tennessee fields
- 2M8 — Charles W Baker
Millington · elev 247 ft
- M01 — General Dewitt Spain
Memphis · elev 225 ft
- M04 — Covington Municipal
Covington · elev 280 ft
- KMEM — Frederick W Smith International/Memphis
Memphis · elev 341 ft
- KFYE — Fayette County
Somerville · elev 436 ft
- M08 — William L Whitehurst Field
Bolivar · elev 499 ft
- KDYR — Dyersburg Regional
Dyersburg · elev 338 ft
- KMKL — Jackson Regional
Jackson · elev 435 ft
Frequently asked questions
How high does density altitude get at KNQA in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Millington/Memphis reaches roughly 2,459 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at KNQA on an average day?
It swings with the seasons: from roughly −889 ft at the coldest month's average temperature to about 1,830 ft at the warmest month's — all from a constant field elevation of 322 ft. The month-by-month table above carries the full year.
What is the field elevation of Millington/Memphis?
322 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KNQA (ICAO) / NQA (FAA), in Millington, Tennessee.